Sahih Bukhari is most Authenticated Book on Hadith (Life and Saying of ) Prophet Muhammad Peace be Upon him. This is most Authenticated out of Six Books called "Sihae Sitta", The book is in Pdf format, you will need a PDF reader for this also.

Sahih Muslim is Authenticated Book on Hadith (Life and Saying of ) Prophet Muhammad Peace be Upon him. The book Sahih Muslim is most Authenticated after Sahih Bukhari out of Six Books called "Sihae Sitta", The book is in Pdf format, you will need a PDF reader for this also.Download: Volume 1,Volume 2, Volume 3, Volume 4,Volume 5,Volume 6,

Tareekh e Tabari (Urdu)

Tareekh e Tabari is an authenticated book on Muslim history from early life of Prophet Muhammad Peace be upon him. It is written by Allama abi Jaffer Muhammad bin Jarer Tabari.

Tabaqat ibn Saad is a history book written by Muhammad Ibn Saad and it describes the history in the form of layers of initial middle and later sahaba or the companions of the Prophet Muhammad Peace be upon him. It is translated in Urdu and is very informative for a history student.

Khilafat O Malookeyat is written by a renowned Pakistani Scholar Syed Abul Ala Maududi. The book is about the events which took place after the Shahadah of third Calif Uthman and the fitnah which took place upto the kingship of Amer Muawiyah. Moulana Maududi describes and criticizes the factors which brought Caliphate into kingship of Ameer Muawiya.